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Tachometer Malfunction [04/2018 - 08/2020]: Procedure

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  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if CAN communication DTCs are output.

      Refer to DIAGNOSIS SYSTEM [04/2018 - 08/2020]

      Result

      Result Proceed to
      CAN communication DTCs are not output A
      CAN communication DTCs are output B

    Result: 

    B 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 - ] 

    Result: 

    A 

    See step  2

  2. CHECK FOR DTC (SFI SYSTEM) 
    1. Check if SFI system DTCs are output.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B

    Result: 

    B 

    GO TO SFI SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [04/2018 - 08/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2019 - 08/2020] 

    Result: 

    A 

    See step  3

  3. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
    5. Perform the Active Test according to the display on the Techstream.

      Body Electrical > Combination Meter > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      TachoMeter Operation (0rpm) Tachometer (0 rpm) ON -
      TachoMeter Operation (1000rpm) Tachometer (1000 rpm) ON -
      TachoMeter Operation (2000rpm) Tachometer (2000 rpm) ON -
      TachoMeter Operation (3000rpm) Tachometer (3000 rpm) ON -
      TachoMeter Operation (4000rpm) Tachometer (4000 rpm) ON -
      TachoMeter Operation (5000rpm) Tachometer (5000 rpm) ON -
      TachoMeter Operation (6000rpm) Tachometer (6000 rpm) ON -
      TachoMeter Operation (7000rpm) Tachometer (7000 rpm) ON -

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (0rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (1000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (2000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (3000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (4000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (5000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (6000rpm)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      TachoMeter Operation (7000rpm)

      OK

      Tachometer indication is normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [04/2018 - 08/2021] 

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2020] 

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